Wednesday, December 23, 2015

Premature failure of off Gas line due to top of the line Corrosion (TLC)

Premature failure of off Gas line due to top of the line Corrosion(TLC)

Type
Conference Paper
Author
Nabil Shagar
URL
Publisher
Society of Petroleum Engineers
Date
2015-11-09
Conference Name
Abu Dhabi International Petroleum Exhibition and Conference
Abstract
Top of Line Corrosion (TLC) was attributed to water condensation in wet acid gas lines. Operating below the dew point allows water condensation followed by acidic corrosion after short run in operations. Researchers examined the effect of gas composition, operating regimes, temperature, pressure, pH and thermal insulation. They describe an actual TLC in wet gas line, indicating how line corrosion was detected, metallurgical investigation, repair procedure and the recommendations to avoid recurrence of such corrosion in future.

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